Xerox WorkCentre 5687 Series Service Manual page 1707

ADJ 14.1A Optics Cleaning Procedure (32-55 ppm)
Parts List on PL 14.20
Purpose
To clean the optics components of the scanner ensuring optimum image quality.
NOTE: This adjustment must only be performed if directed to from an Image Quality RAP, or if
the optics cavity was opened to install a new component and contamination can be seen on
the optics components.
Procedure
WARNING
Switch off the electricity to the machine, GP 14. Disconnect the power cord from the
customer supply while performing tasks that do not need electricity. Electricity can
cause death or injury. Moving parts can cause injury.
CAUTION
Observe ESD precautions during this procedure.
1. Remove the CVT glass and document glass, REP 14.6A.
2. Inspect the cleanliness of the optics mirrors, if necessary, clean them as follows:
a. Vacuum clean the area to remove all visible contamination, taking care not to touch
the mirrors with the cleaning nozzle. It may be necessary to move the carriages to
gain reasonable access, do this by hand rotation of the flywheel on the capstan
shaft.
b. Wash your hands.
c. Carefully clean the mirrors using a dry micro fiber wiper, PL 26.10 Item 13. It may be
necessary to use a cleaning cloth dampened with film remover, PL 26.10 Item 4 on
stubborn contamination.
d. Polish the mirrors with a dry micro fiber wiper, PL 26.10 Item 13.
e. Check that the mirror surfaces are now clean. Repeat the cleaning operation if nec-
essary.
3. Inspect the cleanliness of the document glass and CVT glass, if necessary, clean them as
follows:
a. Clean the under side of document glass and CVT glass using a micro fiber wiper, PL
26.10 Item 13, dampened with film remover, PL 26.10 Item 4.
b. Polish the under side of document glass and CVT glass with a dry micro fiber wiper.
c. Install the document glass and CVT glass, taking care not to smear the cleaned
underside
NOTE: Ensure that the CVT glass is installed as far to the right as possible.
NOTE: Ensure that the white stripes on both the CVT glass and the document glass,
are at the front of the machine and on the underside of the glass.
d. Clean the upper side of document glass and CVT glass using a micro fiber wiper,PL
26.10 Item 13, dampened with film remover, PL 26.10 Item 4.
e. Polish the upper side of document glass and CVT glass using a dry micro fiber
wiper, PL 26.10 Item 13.
4. Re-install the remainder of the removed components, REP 14.6A.
WorkCentre 5687 Family
August 2007
4-687
Repairs/Adjustments
ADJ 14.1A